ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,609, issued on Jan. 13, was assigned to Rosemount Aerospace Inc. (Burnsville, Minn.).
"Distributed Raman H2 sensors" was invented by Mark D. Ray (Burnsville, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gas detection system includes a first optical fiber bundle connected to a first multi-pass cell for connecting the first multi-pass cell to a Raman spectrum analyzer. A second optical fiber bundle is connected to the first multi-pass cell for connecting the first multi-pass cell to a second multi-pass cell. The second optical fiber bundle can include a delay coil configured to provide temporal spacing between spectral returns from the first...